HDHNBA Height Adjustable Swivel Armless Office Chair Hollow Ventilated Backrest Silent Rolling Casters

This ergonomic armless office chair features an integrated hollow plastic backrest with dense ventilation holes, fitting the lumbar curve to disperse back pressure and keep breathable comfort for long time sitting. It supports pneumatic height adjustment from 43cm to 56cm to match different desks and users. Adopting 360 degree swivel and silent wear-resistant casters, it slides smoothly on various floors, and the armless design saves storage space. Reinforced frame and iron five-star base with SGS certified gas lift ensure stable structure, safely supporting up to 113kg without shaking. Available in six trendy color schemes, it fits diverse home scenarios. Pre-labeled accessories and detailed guides allow effortless 10-minute tool-free assembly.